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microsoft.com

https://www.microsoft.com/en-us/sql-server/sql-ser…

Get started with Microsoft SQL Server downloads. Choose a SQL Server trial, edition, tool, or connector that best meets your data and workload needs.

oracle.com

https://livesql.oracle.com/landing/

Oracle Live SQL

Featured Scripts and Tutorials Tutorial SQL Macros - Creating parameterised views This tutorial explains how to create a parameterized view using SQL Macros. The examples use the built-in sales history schema so there are no setup steps. Script Simple Explain Plan This script explains the plan for a query of the sh.sales and sh.products tables.

w3schools.com

https://www.w3schools.com/sql/sql_syntax.asp

SQL Syntax - W3Schools

SQL Statements Most of the actions you need to perform on a database are done with SQL statements. SQL statements consist of keywords that are easy to understand. The following SQL statement returns all records from a table named "Customers":

wikipedia.org

https://en.wikipedia.org/wiki/SQL

SQL - Wikipedia

Introduced in the 1970s, SQL offered two main advantages over older read–write APIs such as ISAM or VSAM. Firstly, it introduced the concept of accessing many records with one single command. Secondly, it eliminates the need to specify how to reach a record, i.e., with or without an index.

sqlbolt.com

https://sqlbolt.com/

SQLBolt - Learn SQL - Introduction to SQL

Introduction to SQL Welcome to SQLBolt, a series of interactive lessons and exercises designed to help you quickly learn SQL right in your browser. What is SQL? SQL, or Structured Query Language, is a language designed to allow both technical and non-technical users to query, manipulate, and transform data from a relational database.

geeksforgeeks.org

https://www.geeksforgeeks.org/sql/sql-exercises/

SQL Exercises : SQL Practice with Solution for Beginners and ...

SQL (Structured Query Language) is a powerful and flexible tool for managing and manipulating relational databases. Regardless of our experience level, practising SQL exercises is essential for improving our skills. Regular practice not only enhances our understanding of SQL concepts but also builds confidence in tackling various database challenges effectively. In this free SQL Exercises page ...

sqltutorial.org

https://www.sqltutorial.org/

SQL Tutorial: Learn SQL from Scratch for Beginners

This SQL Tutorial helps you master SQL quickly and effectively with clear concepts, hands-on examples, and interactive quizzes. Whether you’re a software developer, database administrator, data analyst, or data scientist, this SQL tutorial will help you unlock the power of SQL for managing and analyzing data.

sqlzoo.net

https://sqlzoo.net/wiki/SQL_Tutorial

SQL Tutorial - SQLZoo

Tutorials: Learn SQL step by step 0 SELECT basics Some simple queries to get you started 1 SELECT name Some pattern matching queries 2 SELECT from World In which we query the World country profile table. 3 SELECT from Nobel Additional practice of the basic features using a table of Nobel Prize winners. 4 SELECT within SELECT In which we form queries using other queries. 5 SUM and COUNT In ...

sqlfiddle.com

https://sqlfiddle.com/

SQL Fiddle - Online SQL Compiler for learning & practice

Discover our free online SQL editor enhanced with AI to chat, explain, and generate code. Support SQL Server, MySQL, MariaDB, PostgreSQL, and SQLite.

w3schools.am

https://www.w3schools.am/sql/default.html

SQL Tutorial - W3Schools

SQL is a standard language for storing, manipulating and retrieving data in databases. Our SQL tutorial will teach you how to use SQL in: MySQL, SQL Server, MS Access, Oracle, Sybase, Informix, Postgres, and other database systems. With our online SQL editor, you can edit the SQL statements, and click on a button to view the result.